欢迎来到天天文库
浏览记录
ID:32012448
大小:1.64 MB
页数:29页
时间:2019-01-30
《秦岭川金丝猴性打搅行为的研究 (1)》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、西北大学硕士学位论文秦岭川金丝猴性打搅行为研究姓名:杨斌申请学位级别:硕士专业:动物学指导教师:李保国20090526中文摘要本次研究从2007年9月至2008年5月在陕西周至国家自然保护区玉皇庙进行,采用动物行为取样法观察野生金丝猴群的性行为和性打搅行为。在观察期内673次性活动中,有148次的单元内性打搅发生。与生殖季节相LL(1.35%),性打搅在交配季节表现出更高频次(98.65%)。其中,成年和亚成年雌性发出的性打搅最多(成年和亚成年雌性:75.68%;青年猴:14.86%;幼年猴:9.46%)。同时发现,次年生殖季节生育雌性相对非生育雌性发出了
2、更多的性打搅而接收到的较少(Mann—Whitneytests,z_一2.348,P3、秦岭金丝猴(Rhmopithecusroxellana),性打搅,性竞争AbstractThisstudywasconductedinafree-ranginggroupoftheGoldensnub—nosedmonkey(Rhinopithecusroxellana)locatedintheZhouzhiNationalNatureReserveonthenorthslopeoftheQinlingMountains,from17September2007to20May2008.Samplingofthesexualbehaviorandsexuali4、nterferencebehaviorwereconductedbyusingbehaviorsamplingdescribedbyMartinandBateson(2007).Duringthestudyperiod,148sexualinterferenceswererecordedamong673casesofsexualbehaviorswithinOne-maleunit(OMU).TheSIshownhigherfrequencyinmatingseason(98.65呦thaninbirthseason(1.35%).Adultandsub—5、adultfemalesperformedmoreSI(75.68%)thananyotherclasses(juveniles,14.86%;infants9.46%).FemalesthatwouldgivebirthinthefollowingbreedingseasonperformedmoreSIandreceivedlessSIthanfemaleswouldnotbreedinnextyear(Mann-Whitneytests,z一2.348,P<0.05).TheSIinthisspecieswerenotintensive,with896、.28%non-contactSIand10.72%contactSI.ThefrequencyoffemaleSIinwildpopulationwaslowerthanthatincaptivity.SexualdifferencesinS1wereobservedinjuvenilesbutnotatinfants’stage.Furthermore,18SIhadbeenobservedamong29extra—unitsolicitations.Theextra-unitSIoftenleadedtoterminationofsexualbeha7、vior(55.17%).Withapolygyousbasalsocialstructure,femaleswithinaunitcompeteforthesingleresidentmale.OurresultssuggustthatSIisanimportanttacticforfemaleGoldensnub。nosedmonkeystomaximumtheirreproductivefitnesswhichsupportthe“sexualcompetition”hypothesis.Keywords:Sichuansnub—nosedmonke8、ys(Rhinopithecusroxellana),Sexual
3、秦岭金丝猴(Rhmopithecusroxellana),性打搅,性竞争AbstractThisstudywasconductedinafree-ranginggroupoftheGoldensnub—nosedmonkey(Rhinopithecusroxellana)locatedintheZhouzhiNationalNatureReserveonthenorthslopeoftheQinlingMountains,from17September2007to20May2008.Samplingofthesexualbehaviorandsexuali
4、nterferencebehaviorwereconductedbyusingbehaviorsamplingdescribedbyMartinandBateson(2007).Duringthestudyperiod,148sexualinterferenceswererecordedamong673casesofsexualbehaviorswithinOne-maleunit(OMU).TheSIshownhigherfrequencyinmatingseason(98.65呦thaninbirthseason(1.35%).Adultandsub—
5、adultfemalesperformedmoreSI(75.68%)thananyotherclasses(juveniles,14.86%;infants9.46%).FemalesthatwouldgivebirthinthefollowingbreedingseasonperformedmoreSIandreceivedlessSIthanfemaleswouldnotbreedinnextyear(Mann-Whitneytests,z一2.348,P<0.05).TheSIinthisspecieswerenotintensive,with89
6、.28%non-contactSIand10.72%contactSI.ThefrequencyoffemaleSIinwildpopulationwaslowerthanthatincaptivity.SexualdifferencesinS1wereobservedinjuvenilesbutnotatinfants’stage.Furthermore,18SIhadbeenobservedamong29extra—unitsolicitations.Theextra-unitSIoftenleadedtoterminationofsexualbeha
7、vior(55.17%).Withapolygyousbasalsocialstructure,femaleswithinaunitcompeteforthesingleresidentmale.OurresultssuggustthatSIisanimportanttacticforfemaleGoldensnub。nosedmonkeystomaximumtheirreproductivefitnesswhichsupportthe“sexualcompetition”hypothesis.Keywords:Sichuansnub—nosedmonke
8、ys(Rhinopithecusroxellana),Sexual
此文档下载收益归作者所有